Best Time to See Frogs in New Hampshire
June, August and July is the best time to see frogs in New Hampshire. Based on 15,040 verified iNaturalist observations, here is exactly when frogs are most active across the year in New Hampshire.
By Tim, founder of Easy Street Markets. I maintain the wildlife database and verify every animal and source myself. Updated June 28, 2026.
American Toad · Steven Lamonde CC BY
American Bullfrog · Michael Nerrie CC BY
American Toad · Nick Kleinschmidt CC BY
15,040 verified observations of frogs in New Hampshire, recorded across 12 months of the year on iNaturalist.
When frogs are recorded in New Hampshire
Peak month
June
2,951 records (19.6% of the year)
| Month | Observations | Share |
|---|---|---|
| January | 3 | 0% |
| February | 6 | 0% |
| March | 271 | 1.8% |
| April | 1,188 | 7.9% |
| May | 2,416 | 16.1% |
| Junepeak | 2,951 | 19.6% |
| Julypeak | 2,801 | 18.6% |
| Augustpeak | 2,935 | 19.5% |
| September | 1,962 | 13% |
| October | 460 | 3.1% |
| November | 34 | 0.2% |
| December | 13 | 0.1% |
Frogs you are most likely to see
| Species | Verified observations |
|---|---|
| American Toad | 4,134 |
| Green Frog | 2,635 |
| Wood Frog | 2,252 |
| Spring Peeper | 1,510 |
| Gray Treefrog | 1,310 |
| American Bullfrog | 1,288 |
| Pickerel Frog | 1,263 |
| Mink Frog | 21 |
Weather to expect, source Open-Meteo
Typical weather in New Hampshire
Recent typical conditions by month, so you can plan a trip around both when frogs are active and what the weather is doing. The best months to look for frogs sit around 50 to 72 degrees Fahrenheit, so pack for that.
| Month | Avg high | Avg low | Rain |
|---|---|---|---|
| Jan | 24°F | 8°F | 4.1" |
| Feb | 25°F | 8°F | 3.6" |
| Mar | 34°F | 18°F | 3.3" |
| Apr | 45°F | 29°F | 5.2" |
| May | 58°F | 40°F | 4.1" |
| Junbest time | 67°F | 50°F | 4.8" |
| Julbest time | 72°F | 57°F | 7.1" |
| Augbest time | 70°F | 56°F | 4.5" |
| Sep | 63°F | 48°F | 4.5" |
| Oct | 53°F | 39°F | 5.6" |
| Nov | 38°F | 24°F | 4.2" |
| Dec | 30°F | 17°F | 6" |
Typical recent conditions (5-year means) from the Open-Meteo archive, averaged for New Hampshire. Weather varies year to year, so treat these as a guide.
More on frogs in New Hampshire:
Sightings of frogs in New Hampshire peak in June, when 2,951 of the year's 15,040 verified observations are logged — about 19.6% of the annual total. Activity stays high through June, August and July.
The quietest stretch is January, when frogs are hardest to find — January sees just 3 records. If a reliable sighting matters, plan around the peak window rather than the off-season.
The frogs you are most likely to encounter in New Hampshire are American Toad, Green Frog and Wood Frog — the most-recorded species in the state. Each keeps its own seasonal rhythm, but the month-by-month pattern above reflects every reported sighting together.
Where to go
Best places to see frogs in New Hampshire
- Appalachian National Scenic Trail — National Scenic Trail
- Saint-Gaudens National Historical Park — National Historical Park
Gear to see them
Frequently asked questions
What is the best month to see frogs in New Hampshire?+
June is the single best month, and the broader peak window runs through June, August and July, based on 15,040 verified iNaturalist observations.
When are frogs hardest to see in New Hampshire?+
January is the quietest month for frogs in New Hampshire, with only 3 verified records.
Are frogs active year-round in New Hampshire?+
Frogs are recorded in 12 of 12 months in New Hampshire, so they can be seen year-round, with a clear peak in June.
More places to see frogs
More wildlife in New Hampshire